/* ============================================
   SPANGLER.AI — Keyframe Animations
   ============================================ */

/* Shimmer effect for gold buttons */
@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Gentle floating for decorative elements */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Soft glow pulse */
@keyframes pulse-glow {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.7; }
}

/* Gradient position shift */
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Scroll indicator bounce */
@keyframes scroll-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* Checkmark draw for success state */
@keyframes draw-check {
    0% { stroke-dashoffset: 30; }
    100% { stroke-dashoffset: 0; }
}

/* Circle draw for success state */
@keyframes draw-circle {
    0% { stroke-dashoffset: 140; }
    100% { stroke-dashoffset: 0; }
}

/* Fade in up */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Input shake on error */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 50%, 90% { transform: translateX(-4px); }
    30%, 70% { transform: translateX(4px); }
}

/* ============================================
   Animation Utility Classes
   ============================================ */

.float-animation {
    animation: float 6s ease-in-out infinite;
}

.float-animation-delayed {
    animation: float-delayed 7s ease-in-out infinite;
    animation-delay: 1s;
}

.hero__scroll {
    animation: scroll-bounce 2.5s ease-in-out infinite;
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* Success state animations */
.cta__success svg circle {
    stroke-dasharray: 140;
    stroke-dashoffset: 140;
}

.cta__success svg path {
    stroke-dasharray: 30;
    stroke-dashoffset: 30;
}

.cta__success--animate svg circle {
    animation: draw-circle 0.6s ease forwards;
}

.cta__success--animate svg path {
    animation: draw-check 0.4s ease forwards 0.4s;
}

/* ============================================
   Reduced Motion Override
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .float-animation,
    .float-animation-delayed {
        animation: none;
    }

    .hero__scroll {
        animation: none;
    }
}